Merge commit 'c678407d1eae9fec625a644506b3cd66654d9b1a'
This commit is contained in:
Lior Halphon
commit
a956d58ea1
Binary file not shown.
@ -57,11 +57,10 @@ Start:
|
||||
.loadLogoLoop
|
||||
ld a, [de] ; Read 2 rows
|
||||
ld b, a
|
||||
call DoubleBitsAndWriteRow
|
||||
call DoubleBitsAndWriteRow
|
||||
call DoubleBitsAndWriteRowTwice
|
||||
inc de
|
||||
ld a, e
|
||||
xor $34 ; End of logo
|
||||
cp $34 ; End of logo
|
||||
jr nz, .loadLogoLoop
|
||||
call ReadTrademarkSymbol
|
||||
|
||||
@ -71,79 +70,54 @@ Start:
|
||||
xor a
|
||||
ld hl, $8000
|
||||
call ClearMemoryPage
|
||||
call LoadTileset
|
||||
|
||||
; Copy SameBoy Logo
|
||||
ld de, SameboyLogo
|
||||
ld hl, $8080
|
||||
ld c, (SameboyLogoEnd - SameboyLogo) / 2
|
||||
.sameboyLogoLoop
|
||||
ld a, [de]
|
||||
ldi [hl], a
|
||||
inc hl
|
||||
inc de
|
||||
ld a, [de]
|
||||
ldi [hl], a
|
||||
inc hl
|
||||
inc de
|
||||
dec c
|
||||
jr nz, .sameboyLogoLoop
|
||||
|
||||
; Copy (unresized) ROM logo
|
||||
ld de, $104
|
||||
ld c, 6
|
||||
.CGBROMLogoLoop
|
||||
push bc
|
||||
call ReadCGBLogoTile
|
||||
pop bc
|
||||
dec c
|
||||
jr nz, .CGBROMLogoLoop
|
||||
inc hl
|
||||
call ReadTrademarkSymbol
|
||||
|
||||
; Load Tilemap
|
||||
ld hl, $98C2
|
||||
ld b, 3
|
||||
ld a, 8
|
||||
IF DEF(FAST)
|
||||
xor a
|
||||
ldh [$4F], a
|
||||
ENDC
|
||||
ELSE
|
||||
; Load Tilemap
|
||||
ld hl, $98C2
|
||||
ld d, 3
|
||||
ld a, 8
|
||||
|
||||
.tilemapLoop
|
||||
ld c, $10
|
||||
|
||||
.tilemapRowLoop
|
||||
|
||||
ld [hl], a
|
||||
push af
|
||||
IF !DEF(FAST)
|
||||
; Switch to second VRAM Bank
|
||||
ld a, 1
|
||||
ldh [$4F], a
|
||||
ld a, 8
|
||||
ld [hl], a
|
||||
ld [hl], 8
|
||||
; Switch to back first VRAM Bank
|
||||
xor a
|
||||
ldh [$4F], a
|
||||
ENDC
|
||||
pop af
|
||||
ldi [hl], a
|
||||
inc a
|
||||
add d
|
||||
dec c
|
||||
jr nz, .tilemapRowLoop
|
||||
sub 47
|
||||
push de
|
||||
ld de, $10
|
||||
add hl, de
|
||||
pop de
|
||||
dec b
|
||||
jr nz, .tilemapLoop
|
||||
|
||||
cp $38
|
||||
jr nz, .doneTilemap
|
||||
dec d
|
||||
jr z, .endTilemap
|
||||
dec d
|
||||
|
||||
ld hl, $99a7
|
||||
ld b, 1
|
||||
ld c, 7
|
||||
ld a, $38
|
||||
ld l, $a7
|
||||
ld bc, $0107
|
||||
jr .tilemapRowLoop
|
||||
.doneTilemap
|
||||
.endTilemap
|
||||
ENDC
|
||||
|
||||
; Expand Palettes
|
||||
ld de, AnimationColors
|
||||
@ -187,9 +161,7 @@ ENDC
|
||||
jr nz, .expandPalettesLoop
|
||||
|
||||
ld hl, BgPalettes
|
||||
ld d, 64 ; Length of write
|
||||
ld e, c ; Index of write (C=0)
|
||||
call LoadBGPalettes
|
||||
call LoadBGPalettes64
|
||||
|
||||
; Turn on LCD
|
||||
ld a, $91
|
||||
@ -560,8 +532,7 @@ TrademarkSymbol:
|
||||
db $3c,$42,$b9,$a5,$b9,$a5,$42,$3c
|
||||
|
||||
SameboyLogo:
|
||||
incbin "SameboyLogo.1bpp"
|
||||
SameboyLogoEnd:
|
||||
incbin "SameboyLogo.rle"
|
||||
|
||||
AnimationColors:
|
||||
dw $7FFF ; White
|
||||
@ -578,7 +549,9 @@ DMGPalettes:
|
||||
dw $7FFF, $32BF, $00D0, $0000
|
||||
|
||||
; Helper Functions
|
||||
DoubleBitsAndWriteRow:
|
||||
DoubleBitsAndWriteRowTwice:
|
||||
call .twice
|
||||
.twice
|
||||
; Double the most significant 4 bits, b is shifted by 4
|
||||
ld a, 4
|
||||
ld c, 0
|
||||
@ -628,6 +601,8 @@ ClearMemoryPage:
|
||||
jr z, ClearMemoryPage
|
||||
ret
|
||||
|
||||
ReadTwoTileLines:
|
||||
call ReadTileLine
|
||||
; c = $f0 for even lines, $f for odd lines.
|
||||
ReadTileLine:
|
||||
ld a, [de]
|
||||
@ -647,34 +622,69 @@ ReadTileLine:
|
||||
.dontSwap
|
||||
inc hl
|
||||
ldi [hl], a
|
||||
swap c
|
||||
ret
|
||||
|
||||
|
||||
ReadCGBLogoHalfTile:
|
||||
ld c, $f0
|
||||
call ReadTileLine
|
||||
ld c, $f
|
||||
call ReadTileLine
|
||||
inc e
|
||||
ld c, $f0
|
||||
call ReadTileLine
|
||||
ld c, $f
|
||||
call ReadTileLine
|
||||
call .do_twice
|
||||
.do_twice
|
||||
call ReadTwoTileLines
|
||||
inc e
|
||||
ld a, e
|
||||
ret
|
||||
|
||||
ReadCGBLogoTile:
|
||||
LoadTileset:
|
||||
; Copy SameBoy Logo
|
||||
ld de, SameboyLogo
|
||||
ld hl, $8080
|
||||
.sameboyLogoLoop
|
||||
ld a, [de]
|
||||
inc de
|
||||
|
||||
ld b, a
|
||||
and $0f
|
||||
jr z, .skipLiteral
|
||||
ld c, a
|
||||
|
||||
.literalLoop
|
||||
ld a, [de]
|
||||
ldi [hl], a
|
||||
inc hl
|
||||
inc de
|
||||
dec c
|
||||
jr nz, .literalLoop
|
||||
.skipLiteral
|
||||
swap b
|
||||
ld a, b
|
||||
and $0f
|
||||
jr z, .sameboyLogoEnd
|
||||
ld c, a
|
||||
ld a, [de]
|
||||
inc de
|
||||
|
||||
.repeatLoop
|
||||
ldi [hl], a
|
||||
inc hl
|
||||
dec c
|
||||
jr nz, .repeatLoop
|
||||
jr .sameboyLogoLoop
|
||||
|
||||
.sameboyLogoEnd
|
||||
; Copy (unresized) ROM logo
|
||||
ld de, $104
|
||||
.CGBROMLogoLoop
|
||||
ld c, $f0
|
||||
call ReadCGBLogoHalfTile
|
||||
ld a, e
|
||||
add a, 22
|
||||
ld e, a
|
||||
call ReadCGBLogoHalfTile
|
||||
ld a, e
|
||||
sub a, 22
|
||||
ld e, a
|
||||
ret
|
||||
|
||||
|
||||
cp $1c
|
||||
jr nz, .CGBROMLogoLoop
|
||||
inc hl
|
||||
; fallthrough
|
||||
ReadTrademarkSymbol:
|
||||
ld de, TrademarkSymbol
|
||||
ld c,$08
|
||||
@ -691,7 +701,11 @@ LoadObjPalettes:
|
||||
ld c, $6A
|
||||
jr LoadPalettes
|
||||
|
||||
LoadBGPalettes64:
|
||||
ld d, 64
|
||||
|
||||
LoadBGPalettes:
|
||||
ld e, 0
|
||||
ld c, $68
|
||||
|
||||
LoadPalettes:
|
||||
@ -706,19 +720,23 @@ LoadPalettes:
|
||||
jr nz, .loop
|
||||
ret
|
||||
|
||||
|
||||
AdvanceIntroAnimation:
|
||||
DoIntroAnimation:
|
||||
; Animate the intro
|
||||
ld a, 1
|
||||
ldh [$4F], a
|
||||
ld d, 26
|
||||
.animationLoop
|
||||
ld b, 2
|
||||
call WaitBFrames
|
||||
ld hl, $98C0
|
||||
ld c, 3 ; Row count
|
||||
.loop
|
||||
ld a, [hl]
|
||||
cp $F ; Already blue
|
||||
jr z, .nextTile
|
||||
inc a
|
||||
ld [hl], a
|
||||
inc [hl]
|
||||
and $7
|
||||
cp $1 ; Changed a white tile, go to next line
|
||||
jr z, .nextLine
|
||||
jr z, .nextLine ; Changed a white tile, go to next line
|
||||
.nextTile
|
||||
inc hl
|
||||
jr .loop
|
||||
@ -728,25 +746,30 @@ AdvanceIntroAnimation:
|
||||
ld l, a
|
||||
inc hl
|
||||
dec c
|
||||
ret z
|
||||
jr .loop
|
||||
|
||||
DoIntroAnimation:
|
||||
; Animate the intro
|
||||
ld a, 1
|
||||
ldh [$4F], a
|
||||
ld d, 26
|
||||
.animationLoop
|
||||
ld b, 2
|
||||
call WaitBFrames
|
||||
call AdvanceIntroAnimation
|
||||
jr nz, .loop
|
||||
dec d
|
||||
jr nz, .animationLoop
|
||||
ret
|
||||
|
||||
Preboot:
|
||||
IF !DEF(FAST)
|
||||
call FadeOut
|
||||
ld b, 32 ; 32 times to fade
|
||||
.fadeLoop
|
||||
ld c, 32 ; 32 colors to fade
|
||||
ld hl, BgPalettes
|
||||
.frameLoop
|
||||
push bc
|
||||
call BrightenColor
|
||||
pop bc
|
||||
dec c
|
||||
jr nz, .frameLoop
|
||||
|
||||
call WaitFrame
|
||||
call WaitFrame
|
||||
ld hl, BgPalettes
|
||||
call LoadBGPalettes64
|
||||
dec b
|
||||
jr nz, .fadeLoop
|
||||
ENDC
|
||||
call ClearVRAMViaHDMA
|
||||
; Select the first bank
|
||||
@ -796,7 +819,7 @@ ENDC
|
||||
.emulateDMGForCGBGame
|
||||
call EmulateDMG
|
||||
ldh [$4C], a
|
||||
ld a, $1;
|
||||
ld a, $1
|
||||
ret
|
||||
|
||||
EmulateDMG:
|
||||
@ -833,7 +856,7 @@ GetPaletteIndex:
|
||||
ld a, [hl] ; Old Licensee
|
||||
cp $33
|
||||
jr z, .newLicensee
|
||||
cp 1 ; Nintendo
|
||||
dec a ; 1 = Nintendo
|
||||
jr nz, .notNintendo
|
||||
jr .doChecksum
|
||||
.newLicensee
|
||||
@ -848,22 +871,22 @@ GetPaletteIndex:
|
||||
.doChecksum
|
||||
ld l, $34
|
||||
ld c, $10
|
||||
ld b, 0
|
||||
xor a
|
||||
|
||||
.checksumLoop
|
||||
ld a, [hli]
|
||||
add b
|
||||
ld b, a
|
||||
add [hl]
|
||||
inc l
|
||||
dec c
|
||||
jr nz, .checksumLoop
|
||||
ld b, a
|
||||
|
||||
; c = 0
|
||||
ld hl, TitleChecksums
|
||||
|
||||
.searchLoop
|
||||
ld a, l
|
||||
cp ChecksumsEnd & $FF
|
||||
jr z, .notNintendo
|
||||
sub LOW(ChecksumsEnd) ; use sub to zero out a
|
||||
ret z
|
||||
ld a, [hli]
|
||||
cp b
|
||||
jr nz, .searchLoop
|
||||
@ -932,9 +955,7 @@ LoadPalettesFromIndex: ; a = index of combination
|
||||
ld c, a
|
||||
add hl, bc
|
||||
ld d, 8
|
||||
ld e, 0
|
||||
call LoadBGPalettes
|
||||
ret
|
||||
jp LoadBGPalettes
|
||||
|
||||
BrightenColor:
|
||||
ld a, [hli]
|
||||
@ -987,28 +1008,6 @@ BrightenColor:
|
||||
ld [hli], a
|
||||
ret
|
||||
|
||||
FadeOut:
|
||||
ld b, 32 ; 32 times to fade
|
||||
.fadeLoop
|
||||
ld c, 32 ; 32 colors to fade
|
||||
ld hl, BgPalettes
|
||||
.frameLoop
|
||||
push bc
|
||||
call BrightenColor
|
||||
pop bc
|
||||
dec c
|
||||
jr nz, .frameLoop
|
||||
|
||||
call WaitFrame
|
||||
call WaitFrame
|
||||
ld hl, BgPalettes
|
||||
ld d, 64 ; Length of write
|
||||
ld e, 0 ; Index of write
|
||||
call LoadBGPalettes
|
||||
dec b
|
||||
ret z
|
||||
jr .fadeLoop
|
||||
|
||||
ClearVRAMViaHDMA:
|
||||
ld hl, $FF51
|
||||
|
||||
@ -1025,8 +1024,7 @@ ClearVRAMViaHDMA:
|
||||
ld [hli], a
|
||||
|
||||
; Do it
|
||||
ld a, $12
|
||||
ld [hl], a
|
||||
ld [hl], $12
|
||||
ret
|
||||
|
||||
GetInputPaletteIndex:
|
||||
@ -1124,9 +1122,7 @@ ChangeAnimationPalette:
|
||||
|
||||
call WaitFrame
|
||||
ld hl, BgPalettes
|
||||
ld d, 64 ; Length of write
|
||||
ld e, 0 ; Index of write
|
||||
call LoadBGPalettes
|
||||
call LoadBGPalettes64
|
||||
; Delay the wait loop while the user is selecting a palette
|
||||
ld a, 30
|
||||
ldh [WaitLoopCounter], a
|
||||
@ -1189,4 +1185,4 @@ BgPalettes:
|
||||
InputPalette:
|
||||
ds 1
|
||||
WaitLoopCounter:
|
||||
ds 1
|
||||
ds 1
|
||||
|
||||
48
BootROMs/logo-compress.c
Normal file
48
BootROMs/logo-compress.c
Normal file
@ -0,0 +1,48 @@
|
||||
#include <assert.h>
|
||||
#include <inttypes.h>
|
||||
#include <stdio.h>
|
||||
|
||||
void pair(size_t count, uint8_t byte) {
|
||||
static size_t unique_count = 0;
|
||||
static uint8_t unique_data[15];
|
||||
if (count == 1) {
|
||||
unique_data[unique_count++] = byte;
|
||||
assert(unique_count <= 15);
|
||||
} else {
|
||||
assert(count <= 15);
|
||||
uint8_t control = (count << 4) | unique_count;
|
||||
putchar(control);
|
||||
|
||||
for (size_t i = 0; i < unique_count; i++) {
|
||||
putchar(unique_data[i]);
|
||||
}
|
||||
|
||||
if (count != 0) {
|
||||
putchar(byte);
|
||||
} else {
|
||||
assert(control == 0);
|
||||
}
|
||||
|
||||
unique_count = 0;
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
size_t count = 1;
|
||||
uint8_t byte = getchar();
|
||||
int new;
|
||||
size_t position = 0;
|
||||
|
||||
while ((new = getchar()) != EOF) {
|
||||
if (byte == new) {
|
||||
count++;
|
||||
} else {
|
||||
pair(count, byte);
|
||||
byte = new;
|
||||
count = 1;
|
||||
}
|
||||
}
|
||||
|
||||
pair(count, byte);
|
||||
pair(0, 0);
|
||||
}
|
||||
14
Makefile
14
Makefile
@ -322,13 +322,23 @@ $(BIN)/SDL/Shaders: Shaders
|
||||
|
||||
# Boot ROMs
|
||||
|
||||
$(OBJ)/%.1bpp: %.png
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
rgbgfx -d 1 -h -o $@ $<
|
||||
|
||||
$(OBJ)/BootROMs/SameboyLogo.rle: $(OBJ)/BootROMs/SameboyLogo.1bpp build/logo-compress
|
||||
build/logo-compress < $< > $@
|
||||
|
||||
build/logo-compress: BootROMs/logo-compress.c
|
||||
$(CC) $< -o $@
|
||||
|
||||
$(BIN)/BootROMs/agb_boot.bin: BootROMs/cgb_boot.asm
|
||||
$(BIN)/BootROMs/cgb_boot_fast.bin: BootROMs/cgb_boot.asm
|
||||
$(BIN)/BootROMs/sgb2_boot: BootROMs/sgb_boot.asm
|
||||
|
||||
$(BIN)/BootROMs/%.bin: BootROMs/%.asm
|
||||
$(BIN)/BootROMs/%.bin: BootROMs/%.asm $(OBJ)/BootROMs/SameboyLogo.rle
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
cd BootROMs && rgbasm -o ../$@.tmp ../$<
|
||||
rgbasm -i $(OBJ)/BootROMs/ -i BootROMs/ -o $@.tmp $<
|
||||
rgblink -o $@.tmp2 $@.tmp
|
||||
dd if=$@.tmp2 of=$@ count=1 bs=$(if $(findstring dmg,$@)$(findstring sgb,$@),256,2304)
|
||||
@rm $@.tmp $@.tmp2
|
||||
|
||||
Loading…
Reference in New Issue
Block a user